DTC U0100-00: Lost Communication with ECM/PCM "A"; DTC U0101-00: Lost Communication with TCM; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U1106-00: Lost Communication with Electric Parking Brake Module; DTC U111A-00: Lost Communication with ECM/PCM "A" (ch2); DTC U117D-87: Lost Communication with Brake System Control Module (ch4) Missing Message [02/2024 - ]: Description
The following DTCs are output when there is a communication malfunction between a sensor or ECU.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|
| U0100-00 | Lost Communication with ECM/PCM "A" | When the voltage at terminal IG1 is 9.5 V or more, communication between the ECM and No. 1 skid control ECU (brake booster with master cylinder assembly) is not possible for 2 seconds or more. |
|
Does not come on | Brake Booster | B | Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) |
| U0101-00 | Lost Communication with TCM | When the voltage at terminal IG1 is 9.5 V or more, communication between the TCM and No. 1 skid control ECU (brake booster with master cylinder assembly) is not possible for 2 seconds or more. |
|
Does not come on | Brake Booster | B | Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) |
| U0129-87 | Lost Communication with Brake System Control Module "A" Missing Message | When the voltage at terminal IG1 is 9.5 V or more, communication between the No. 1 skid control ECU (brake booster with master cylinder assembly) and No. 2 skid control ECU (brake actuator assembly) is not possible for 2 seconds or more. |
|
Comes on | Brake Booster | B |
|
| U1106-00 | Lost Communication with Electric Parking Brake Module | With terminal IG1 voltage at 9.5 V or more, data cannot be received from the No. 2 skid control ECU (brake actuator assembly) for 1 second or more. |
|
Does not come on | Brake Booster | B | Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) |
| U111A-00 | Lost Communication with ECM/PCM "A" (ch2) | When the voltage at terminal IG1 is 9.5 V or more, communication between the ECM and No. 1 skid control ECU (brake booster with master cylinder assembly) is not possible for 2 seconds or more. |
|
Does not come on | Brake Booster | B | Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) |
| U117D-87 | Lost Communication with Brake System Control Module (ch4) Missing Message | When the voltage at terminal IG1 is 9.5 V or more, communication between the No. 1 skid control ECU (brake booster with master cylinder assembly) and No. 2 skid control ECU (brake actuator assembly) is not possible for 2 seconds or more. |
|
Comes on | Brake Booster | B |
|